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Can you do 40 push ups? No, not over the course of a month, but in a row? If not, can you do at least ten? The answers to these questions may help you determine your risk of heart problems over the next decade, according to a study recently published in JAMA Network Open.

We now have Bono East and Ahafo regions. These new regions have been carved from the existing “Brong-Ahafo Region.” I think this is the time to change the names of some of our regions and towns, which do not make sense or have any meaning.

Lagos’s dysfunction extends out to sea.

As a female founder of a healthtech company, I often find myself in the minority. In business meetings or pitches, on panels at conferences or even just at networking events, it’s very unusual for there to be more women than men present.

The Titanic was a luxury British steamship that sank in the early hours of April 15, 1912 after striking an iceberg, leading to the deaths of more than 1,500 passengers and crew.

Although much of the buzz about ransomware has quieted down in the days since the NotPetya and WannaCry attacks, the threat persists and hospital IT and security teams should remain vigilant.

Brains do a lot of work while we sleep—far from being a passive behavior, sleep is actually critical to brain health, and as a result, mental and cognitive health. A few new studies in recent weeks underline how important sleep is, and how detrimental lack of sleep can be. And not just chronic lack of sleep, but a single night of lost sleep.

Eighteen  years ago, on September 11, 2001, al-Qaida conducted the most destructive terrorist attack in history.

Komla Agbeli ‘Afro Gbede’ Gbedemah of Anyako was a revolutionary youth activist and an iconic statesman who, as a senior architect of both the modern Ghanaian state and Republic, played a critical role in shaping the political landscape of our nation for decades.

When ecologists watch nature documentaries, sometimes they get ideas for research projects. John Grady, an ecologist from Michigan State University, kept seeing those inevitable scenes in which shoals of hapless fish are demolished by predators, and thinking about the differences between the cold-blooded killers—the tuna, the cod, and other big fish—and the warm-blooded ones.

Our brain is not designed to create happiness, as much as we wish it were so. Our brain evolved to promote survival. It saves the happy chemicals (dopamine, serotonin and oxytocin) for opportunities to meet a survival need, and only releases them in short spurts which are quickly metabolized. This motivates us to keep taking steps that stimulate our happy chemicals.

Slavery was practiced throughout the American colonies in the 17th and 18th centuries, and African slaves helped build the new nation into an economic powerhouse through the production of lucrative crops such as tobacco and cotton. By the mid-19th century, America’s westward expansion and the abolition movement provoked a great debate over slavery that would tear the nation apart in the bloody Civil War. Though the Union victory freed the nation’s four million slaves, the legacy of slavery continued to influence American history, from the Reconstruction era to the civil rights movement that emerged a century after emancipation.